Michael,

Which PDP-11 O/S? Will it have DECnet access to another system (e.g., a SIMH VAX or linux-decnet)?

OpenVMS system can create and mount a Files-11 Level 1 disk volume, which can be read/written by RSX-11M/M-Plus and IAS. You could create a virtual Files-11 Level 1 volume with a SIMH VAX and then read it on a SIMH PDP-11. The same SIMH VAX can create a SIMH virtual ANSI- labelled tape, which can be read/written by those O/S's, and RSTS, I assume (I have never used RSTS). RT-11 disk volumes and DOS-11 tape volumes can be created with the OpenVMS EXCHANGE utility. Any of these can be to virtual devices that can be cross-mounted on various SIMH machines, as long as the O/S supports the volume format.

Of course, any systems that are DECnet'ed together can exchange files. I use linux-decnet on a CentOS (Red Hat) file server to store OpenVMS Backup save sets that are created using remote file access (FAL) directly from the Backup command. linux-decnet may not be available for very much longer -- the people that supported the DECnet code in the Linux kernel can no longer keep up with the latest versions of the kernel.

Larry Baker
US Geological Survey
650-329-5608
[email protected]

On Apr 29, 2010, at 9:00 AM, [email protected] wrote:

Message: 2
Date: Thu, 29 Apr 2010 14:54:50 +0800
From: Michael Richter <[email protected]>
Subject: [Simh] Making tape/disk images
To: simh <[email protected]>
Message-ID:
        <[email protected]>
Content-Type: text/plain; charset="utf-8"

Is there an easy way to take a bunch of files and turn them into either a tape image or a disk image suited for attaching to a PDP-11 under SIMH?

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